/ Thesaurus / S Synonyms of slightness Find synonyms for: Noun1. pettiness, triviality, slightness, puniness, unimportanceusage: the quality of being unimportant and petty or frivolous2. delicacy, slightness, smallness, littlenessusage: smallness of stature3. slenderness, slightness, slimness, leanness, thinness, sparenessusage: the property of an attractively thin personWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language